Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5643679 | Decorative article | Yoko Ishimaru, Hirobumi Ohmori, Shin Nakamura | 1997-07-01 |
| 5593517 | Regenerating material and refrigerator using the same | Akiko Saito, Masashi Sahashi, Yoichi Tokai, Akihiko Tsutai, Masami Okamura +1 more | 1997-01-14 |